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HTML Reference

Quick Reference

The onkeydown event fires when the user presses a key on the keyboard.

The onkeydown event is supported by nearly all HTML tags.

				
					<!-- HTML -->
<input id="my_input" type="text" onkeydown="my_function()">
				
			
				
					// JavaScript
function my_function() {
    alert('A key was pressed.');
}
				
			

JavaScript

Any of the following are valid.

onkeydown

				
					document.getElementById('my_input').onkeydown = function() {my_function()};

function my_function() {
    alert('A key was pressed.');
}
				
			

keydown

				
					// method 1
document.getElementById('my_input').addEventListener('keydown', function() {
    alert('A key was pressed.');
});
				
			
				
					// method 2
document.getElementById('my_input').addEventListener('keydown', my_function);

function my_function() {
    alert('A key was pressed.');
}
				
			

Event

Bubbles yes
Can be canceled yes

We’d like to acknowledge that we learned a great deal of our coding from W3Schools and TutorialsPoint, borrowing heavily from their teaching process and excellent code examples. We highly recommend both sites to deepen your experience, and further your coding journey. We’re just hitting the basics here at 1SMARTchicken.

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